[BUG] Failed to use fast mode in opus 4.7 when using LLM Gateway
Status Closed — not planned
Reported on v2.1.142
Maintainer reply None cached
Activity 2 comments · opened May 18, 2026 · closed Jun 16, 2026
Preflight Checklist
- [x] I have searched existing issues and this hasn't been reported yet
- [x] This is a single bug report (please file separate reports for different bugs)
- [x] I am using the latest version of Claude Code
What's Wrong?
Unable to toggle opus 4.7 fast mode. I am on max 20 plan and already enable extra usage.
<img width="1444" height="355" alt="Image" src="https://github.com/user-attachments/assets/57ca72fc-ab18-420b-a204-8ea3c3118e61" />
What Should Happen?
Should be able to
Error Messages/Logs
Steps to Reproduce
with custom ANTHROPIC_BASE_URL and ANTHROPIC_AUTH_TOKEN
Claude Model
None
Is this a regression?
Yes, this worked in a previous version
Last Working Version
_No response_
Claude Code Version
2.1.142
Platform
Other
Operating System
Windows
Terminal/Shell
PowerShell
Additional Information
_No response_
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